Toyo Boseki Kabushiki Kaisha

Manabu Takeuchi

Tomohide Nakagawa

Toshio Hiramatsu

Hideki Eguchi

Tutomu Tamura

Tsutomu Tamura

There is disclosed an inorganic reinforced polyamide resin compositions obtainable by melt kneading of (A) a crystalline polyamide rein, (B) a semi-aromatic amorphous polyamide resin, and (C) an inorganic reinforcing material, wherein the relative viscosity of 96% sulfuric acid solution of the composition is 2.1 or lower and wherein the crystallization temperature (TC ) of the composition as measured with a temperature drop by differential scanning calorimetry (DSC) is 180&deg; C. or lower. The inorganic reinforced polyamide resin composition can provide shaped articles having satisfactory strength and rigidity without deteriorating their appearances further having excellent coating properties and weathering resistance, and requires a mold temperature of 100&deg; C. or lower in the preparation of shaped articles.

Inorganic reinforced polyamide resin compositions

There is disclosed an inorganic reinforced polyamide resin compositions obtainable by melt kneading of (A) a crystalline polyamide rein, (B) a semi-aromatic amorphous polyamide resin, and (C) an inorganic reinforcing material, wherein the relative viscosity of 96% sulfuric acid solution of the composition is 2.1 or lower and wherein the crystallization temperature (TC2) of the composition as measured with a temperature drop by differential scanning calorimetry (DSC) is 180&deg; C. or lower. The inorganic reinforced polyamide resin composition can provide shaped articles having satisfactory strength and rigidity without deteriorating their appearances and further having excellent coating properties and weathering resistance, and requires a mold temperature of 100&deg; C. or lower in the preparation of shaped articles.

A polyamide composition comprising a polyamide resin (A) and a thermoplastic polyurethane resin (B) is provided. In the composition, the polyamide resin (A) constitutes a continuous phase, the thermoplastic polyurethane resin (B) constitutes a dispersed phase, and the tensile modulus of the composition is 7,000 kg/cm.sup.2 or less.

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Otsu, Japan

Manabu Takeuchi